芜湖发电厂灰渣场植被状况

Vegetation distribution in coal cinder yard of Wuhu thermal power station.

经实地考察发现 ,芜湖火力发电厂灰渣场自然定居的高等植物有 30种 ,隶属于 14个科 2 9个属 ,主要包括菊科、禾本科和豆科 .全部植物中 ,1、2年生草本植物 18种 ,多年生草本植物 9种 ,木本植物 2种 .影响植物分布的主要因素是灰渣的理化性质和灰渣场的自然改造程度 .

There are 30 species of natural colonized plants in the coal cinder yard of Wuhu thermal power station,and they are subordinate to 14 families and 29 genera. The main families are Compositae (7 species),Gramineae (6 species) and Leguminesae,among which,18 species are annual plant,9 species are perennial plant,and 2 species are woody plants. The chief factors limiting the vegetation distribution are extreme infertility and high concentration of heavy metals.